computoman

Here are a few little schematics and stuff I have collected. I will be adding more as we go along. Each of these projects are under ten dollars each. An old computer (that has a soundcard with a microphone input) to use with a free program called Audacity (for an internet radio station you could use shoutcast and icecast also) installed. Yes, we acquired an old computer from a local user group for free. People (obviously Microsoft users) thought It was worthless. Linux makes computer equipment more valuable. $ sudo apt-get install audacity pavucontrol Step 1: Simple Microphone. Microphone: (Any good piezo buzzer should work.) We tried several piezo buzzers and found the larger ones work better. I also plan to try some old speakers also. The real tiny piezo buzzers from old motherboards need a preamp (they are not loud enough and need additional electronics to help them work better). One interesting thing is that you can also use the piezo mi...